Calculus and Above

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Given two independent random samples with the following
Given two independent random samples with the following results:n1=685 p1=0.5 n2=510 p2=0.67Can it be concluded that the proportion found in Population 2 exceeds the proportion found in Population 1? … read more
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A researcher finds that of 1,000 people who said that they
A researcher finds that of 1,000 people who said that they attend a religious service at least once a week, 31 stopped to help a person with car trouble. Of 1,200 people interviewed who had not attend… read more
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I need assistance understanding and completing this question
i need assistance understanding and completing this question Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test… read more
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Assume that the data has a normal distribution and the
Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. Alpha = 0.05 for a two-tailed test … read more
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Conduct the following test at the alphaequals0.10 level of
Conduct the following test at the alphaequals0.10 level of significance by determining​ (a) the null and alternative​ hypotheses, (b) the test​ statistic, and​ (c) the critical value. Assume that the … read more
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I need help with a multiple choice test, it consists of
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Ryan
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When performing a rank correlation test, one alternative to
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Use the given information to find the P-value. Also, use a
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Assume that you plan to use a significance level of alpha =
Assume that you plan to use a significance level of alpha = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers of successes to find the z test statistic for the hypothesis tes… read more
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Hi Ryan,Wondering if you can display the answers to the questions,
Hi Ryan, Wondering if you can display the answers to the questions, that you answered a year ago? 1. Find the Mean for the given sample data.... thru #25, #24 not shown. I need to check my review answ… read more
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Week 4 : Week 4 - Test 4 (Final Exam) Time Remaining:
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I need help with an intro to statistics quiz. It is 20 questions
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Find the critical z value used to test a null hypothesis?
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1. Find the mean for the given sample data. Unless indicated
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Find the critical value x2r based on the given information
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In a random sample of 75 American women age 18 to 30, 26 agreed
In a random sample of 75 American women age 18 to 30, 26 agreed with the statement that a woman should have the right to a legal abortion for any reason (question wording: “Please tell me whether or n… read more
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Find the mean for the given sample data. Unless indicated otherwise,
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